/*
 *    Copyright © OpenAtom Foundation.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package com.inspur.edp.bef.core.session.distributed.common;

import com.google.common.util.concurrent.Striped;
import java.util.concurrent.locks.Lock;
import org.springframework.util.StringUtils;

public class FuncInstLockProvider {

  private static Striped<Lock> locks = Striped.lazyWeakLock(512);

  private FuncInstLockProvider() {
  }

  public static Lock get(String inst) {
    if (StringUtils.isEmpty(inst)) {
      throw new IllegalArgumentException();
    }
    return locks.get(inst);
  }
}
